关于通风管道压力平衡公式的探讨
Discussion on the pressure balance formula for ventilating duct
摘要：
以一段带三通的并联风管为例，分析了根据该压力平衡公式调整管径时存在的问题及其原因。建议对调整后的管径进行验算，以减少误差。
关键词：通风管道,并联管段,压力损失,平衡,调整管径,三通
Abstract：
With an example of a section of air duct with a tee, analyses the existing problems when adjusting pipe diameter according to the pressure balance formula and the causes. Recommends to make checking computation after adjusting pipe diameter in order to reduce errors.
Keywords:ventilating duct, pipe section in parallel, pressure drop, balance, adjusting pipe diameter, tee